Problema Solution

The sum of the squares of two consecutive odd positive integers is 130. Find the integers.

Answer provided by our tutors

The two consecutive odd positive integers can be written as: 2x + 1, 2x + 3, where x is integer and x>=0.

The sum of the squares of 2x + 1 and 2x + 3 is 130 means:

(2x + 1)^2 + (2x + 3)^2 = 130

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click here to see the equation solved for x

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x = 3 

We need to ignore the negative solution -5 because x can only be positive.

2*3 + 1 = 7

2*3 + 3 = 9

Indeed: 

7^2 + 9^2 = 49 + 81 = 130 

The two consecutive odd positive integers are 7 and 9.